At some point I hope this is addressed by an updated plugin, but until that time, I’ve made the following not too ugly change to the Linux agent script to make the crm_mon output look like the older output so that the plugin will work. This change strips off the server info from the “Last Updated” line, and changes the unrecognized “Promoted/Unpromoted” syntax back to “Masters/Slaves”.
TZ=UTC crm_mon -1 -r | grep -v ^$ | sed \
-e 's/^ //; /^\sResource Group:/,$ s/^\s//; s/^\s/_/g' \
-e '/Last updated/s/ on.*$//' \
-e 's/Clone Set/Master\/Slave Set/' \
-e 's/Promoted/Masters/' \
-e 's/Unpromoted/Slaves/'